diff options
Diffstat (limited to 'sysdeps/x86_64')
| -rw-r--r-- | sysdeps/x86_64/fpu/e_logl.S | 8 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/libm-test-ulps | 16 |
2 files changed, 23 insertions, 1 deletions
diff --git a/sysdeps/x86_64/fpu/e_logl.S b/sysdeps/x86_64/fpu/e_logl.S index a8e31084ba..315afc0033 100644 --- a/sysdeps/x86_64/fpu/e_logl.S +++ b/sysdeps/x86_64/fpu/e_logl.S @@ -45,7 +45,13 @@ ENTRY(__ieee754_logl) fnstsw // x-1 : x : log(2) andb $0x45, %ah jz 2f - fstp %st(1) // x-1 : log(2) + fxam + fnstsw + andb $0x45, %ah + cmpb $0x40, %ah + jne 5f + fabs // log(1) is +0 in all rounding modes. +5: fstp %st(1) // x-1 : log(2) fyl2xp1 // log(x) ret diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps index 5f4ab06050..301eaa6542 100644 --- a/sysdeps/x86_64/fpu/libm-test-ulps +++ b/sysdeps/x86_64/fpu/libm-test-ulps @@ -1170,6 +1170,22 @@ ifloat: 1 ildouble: 1 ldouble: 1 +Function: "log_downward": +float: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 + +Function: "log_towardzero": +ildouble: 1 +ldouble: 1 + +Function: "log_upward": +float: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 + Function: "pow": float: 1 ifloat: 1 |